CN104348497A - Wireless communication signal reception device and method - Google Patents
Wireless communication signal reception device and method Download PDFInfo
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- CN104348497A CN104348497A CN201310316653.6A CN201310316653A CN104348497A CN 104348497 A CN104348497 A CN 104348497A CN 201310316653 A CN201310316653 A CN 201310316653A CN 104348497 A CN104348497 A CN 104348497A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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Abstract
The invention discloses a wireless communication signal reception device and a method. The device comprises a band-stop filter, an inverter, a combiner module, a first reception antenna and a second reception antenna, wherein the first reception antenna and the second reception antenna are used for receiving wireless communication signals, the band-stop filter is used for attenuating preset frequency signals in the wireless communication signals received by the second reception antenna, the inverter is used for inverting output signals of the band-stop filter and transmitting the inverted signals to the combiner module, and the combiner module is used for combining the wireless communication signals from the first reception antenna and the output signals from the inverter to remove interference signals and/or noise signals to generate preset frequency signals. According to the device, the possible interference signals and/or noise signals are not needed to know about in advance, preset frequency determination is only needed, even in a complex changeable network environment, external interference and/or noise can be inhibited at the maximum degree.
Description
Technical field
The present invention relates to communication technical field, be related specifically to a kind of wireless communication signal receiving system and method.
Background technology
In the prior art, for wireless communication signal receiving system (the wireless communication signal receiving system in such as mobile phone terminal), its communication frequency band supported gets more and more, and the network environment become increasingly complex, and makes the electromagnetic environment of wireless communication signal receiving system more severe and changeable.In order to suppress interference and noise, traditional way is the receiving filter being connected in series corresponding band at the input of the low noise amplifier be electrically connected with wireless communication signal receiving system, thus to the suppression that interference and noise are carried out in various degree, improve the reception of wireless communication signal.When designing wireless communication signal receiving system, to the interference of which frequency range that may run in all frequency ranges generally considering during a certain frequency band filter type selecting to want whole system to comprise and use, and select the receiving filter possible interference band to larger degree of suppression.But the uncertainty of the complicated and environment for use along with terminal platform belonging to wireless communication signal receiving system, the noise effect of changeable wireless communication environments, make the selection of receiving filter also become trouble, affect the reception of wireless communication signal receiving system.
Summary of the invention
Main purpose of the present invention, for providing a kind of wireless communication signal receiving system and method, is intended to the reception improving wireless communication signal, suppresses external interference signal and/or noise signal to greatest extent.
The invention provides a kind of wireless communication signal receiving system, comprising: band stop filter, the inverter be connected with described band stop filter, the mixer module be connected with described inverter, the second reception antenna be connected with described band stop filter and the first reception antenna with described mixer model calling; Wherein:
Described first reception antenna, for receiving wireless communication signal, and sends the wireless communication signal of reception to described mixer module;
Described second reception antenna, for receiving wireless communication signal, and sends the wireless communication signal of reception to described band stop filter;
Described band stop filter, for the signal of the default frequency range in the wireless communication signal that described second reception antenna of decaying receives;
Described inverter, for carrying out anti-phase to the output signal of described band stop filter, then sends the signal after anti-phase to mixer module;
Described mixer module, closes road to remove interference signal and/or noise signal and to generate the signal presetting frequency range for the wireless communication signal from described first reception antenna and the output signal from described inverter being carried out.
Preferably, also comprise the low noise amplifier module with described mixer model calling, described low noise amplifier module is used for carrying out amplification process to the signal of the default frequency range of described mixer CMOS macro cell.
Preferably, described mixer module comprises a mixer, the first input end of described mixer is connected with described first reception antenna, and the second input of described mixer is connected with described inverter, and the output of described mixer is connected with described low noise amplifier module.
Preferably, described wireless communication signal receiving system also comprises the first radio-frequency (RF) switch, the second radio-frequency (RF) switch, main control module, described mixer module comprises multiple mixer, described low noise amplifier module comprises multiple low noise amplifier, described mixer and described low noise amplifier one_to_one corresponding, wherein:
The input of described first radio-frequency (RF) switch is connected with described first reception antenna, described first radio-frequency (RF) switch comprises multiple and described mixer output one to one, and each output of described first radio-frequency (RF) switch is connected with the first input end of corresponding mixer respectively;
The input of described second radio-frequency (RF) switch is connected with described inverter, and described second radio-frequency (RF) switch comprises multiple and described mixer output one to one, and each output of described second radio-frequency (RF) switch is connected with the second input of corresponding mixer respectively;
Described main control module, for controlling the connection between the input of described first radio-frequency (RF) switch and each output, control the connection between the input of described second radio-frequency (RF) switch and each output, and control the corresponding signal presetting frequency range in the wireless communication signal of the second reception antenna reception described in described attenuation of band-stop filter.
Preferably, described band stop filter is tunable band-stop filter.
Preferably, described first radio-frequency (RF) switch and the second radio-frequency (RF) switch are all that radio-frequency (RF) switch thrown by hilted broadsword more.
The present invention also provides a kind of wireless communication signal method of reseptance, and use above-mentioned wireless communication signal receiving system, the method comprises:
First reception antenna receives wireless communication signal, and sends the wireless communication signal of reception to described mixer module; Second reception antenna receives wireless communication signal, and sends the wireless communication signal of reception to described band stop filter;
The signal of the default frequency range in the wireless communication signal that described in attenuation of band-stop filter, the second reception antenna receives;
Inverter carries out anti-phase to the output signal of described band stop filter, then sends the signal after anti-phase to mixer module;
Wireless communication signal from described first reception antenna and the output signal from described inverter carry out closing road to remove interference signal and/or noise signal and to generate the signal presetting frequency range by mixer module.
Preferably, the wireless communication signal from described first reception antenna and the output signal from described inverter is carried out closing road to remove described interference signal and/or noise signal and further comprising the steps of after generating the signal presetting frequency range in described mixer module:
The signal of low noise amplifier module to the default frequency range of described mixer CMOS macro cell carries out amplification process.
Preferably, described first reception antenna receives wireless communication signal, and the step wireless communication signal of reception being sent to described mixer module comprises: the first reception antenna receives wireless communication signal, and the connection passed through between the input of master control module controls first radio-frequency (RF) switch and each output, the wireless communication signal of reception is sent to the corresponding mixer in mixer module;
The step of the signal of the default frequency range in the wireless communication signal that described in described attenuation of band-stop filter, the second reception antenna receives comprises: described band stop filter is according to the corresponding signal presetting frequency range in the wireless communication signal of the described second reception antenna reception of the control decay of main control module;
Described inverter carries out anti-phase to the output signal of described band stop filter, then the step signal after anti-phase being sent to mixer module comprises: described inverter carries out anti-phase to the output signal of described band stop filter, and by the connection between the input of master control module controls second radio-frequency (RF) switch and each output, the signal after anti-phase is sent to the corresponding mixer in mixer module.
Preferably, described band stop filter is tunable band-stop filter.
The present invention is by the signal of the default frequency range in the wireless communication signal of attenuation of band-stop filter second reception antenna reception, remaining interference signal and/or noise signal, then by inverter by interference signal and/or noise signal anti-phase, again by mixer by from the first reception antenna wireless communication signal and from described inverter anti-phase after interference signal and/or noise signal carry out conjunction road, counteract interference signal and/or noise signal, only the remaining signal presetting frequency range.Adopt the solution of the present invention, do not need to understand in advance the interference signal and/or noise signal that may run into, only need to determine default frequency range, even if in network environment complicated and changeable, also can suppress external interference signal and/or noise signal to greatest extent, improve the reception of wireless communication signal receiving system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of wireless communication signal receiving system of the present invention;
Fig. 2 is the structural representation of the second embodiment of wireless communication signal receiving system of the present invention;
Fig. 3 is the schematic flow sheet of the first embodiment of wireless communication signal method of reseptance of the present invention;
Fig. 4 is the schematic flow sheet of the second embodiment of wireless communication signal method of reseptance of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to Fig. 1, Fig. 1 is the structural representation of the first embodiment of wireless communication signal receiving system of the present invention, this wireless communication signal receiving system 100 comprises: band stop filter 20, the inverter 30 be connected with this band stop filter 20, the mixer module 40 be connected with this inverter 30, the second reception antenna 11 be connected with this band stop filter 20 and the first reception antenna 10 be connected with this mixer module 40, wherein:
First reception antenna 10, for receiving wireless communication signal, and sends the wireless communication signal of reception to mixer module 40; Second reception antenna 11, for receiving wireless communication signal, and sends the wireless communication signal of reception to this band stop filter 20; First reception antenna 10 and the second reception antenna 11 are in a device, and the electromagnetic environment of bearing is the same, and the wireless communication signal that therefore the first reception antenna 10 and the second reception antenna 11 receive is the same; The wireless communication signal that this first reception antenna 10 and the second reception antenna 11 receive comprise interference signal and/or and noise signal;
Band stop filter 20, for the signal of the default frequency range in the wireless communication signal that this second reception antenna 11 of decaying receives;
Inverter 30, for carrying out anti-phase to the output signal of this band stop filter 20, then sends the signal after anti-phase to mixer module 40;
Mixer module 40, closes road to remove this interference signal and/or noise signal and to generate the signal presetting frequency range for the wireless communication signal from this first reception antenna 10 and the output signal from this inverter 30 being carried out.
Within a wireless communication network, wireless communication signal sends in the process of wireless communication signal receiving system, by the impact of network environment, has been mixed into interference signal and/or noise signal in wireless communication signal; Therefore, the first reception antenna 10 of wireless communication signal receiving system 100 and the wireless communication signal of the second reception antenna 11 reception comprise the interference signal and/or noise signal that are mixed into.
Band stop filter 20 is for the signal of the default frequency range in the wireless communication signal of the second reception antenna 11 reception that decays; Namely this default frequency range is the frequency range at the signal place that wireless communication signal receiving system wishes to receive, and this default frequency range can be arranged according to actual needs by user.The signal attenuation of the default frequency range in the wireless communication signal that the second reception antenna 11 obtains by this band stop filter 20, remaining interference signal and/or noise signal, the signal attenuation (being decayed by useful signal) of the default frequency range received is wished, only remaining interference signal and/or noise signal by this wireless communication signal receiving system.By the signal attenuation of useful default frequency range that this band stop filter 20 can will be determined easily, and uncertain interference signal and/or noise signal are retained, relative in prior art: by interference signal and/or noise signal decay, and retain useful signal, the signal of the default frequency range adopting this attenuation of band-stop filter useful, and retain interference signal and/or noise signal, more there is operability.
Wireless communication signal from this first reception antenna 10 and the output signal from this inverter 30 carry out closing road to remove this interference signal and/or noise signal and to generate the signal presetting frequency range by mixer module 40.Namely in mixer module 40, wireless communication signal from the first reception antenna 10 is superposed with the anti-phase interference signal exported from inverter 30 and/or noise signal, interference signal in wireless communication signal and/or noise signal are offset, only the remaining signal (useful signal) presetting frequency range.
Adopt above-mentioned wireless communication signal receiving system, do not need to understand in advance the interference signal and/or noise signal that may run into, only need to determine default frequency range, even if in network environment complicated and changeable, also can suppress external interference signal and/or noise signal to greatest extent, improve the reception of wireless communication signal receiving system.Even if the electromagnetic environment in the external world constantly changes, interference signal and/or noise signal is caused to change, adopt above-mentioned wireless communication signal receiving system, as long as preset frequency range to determine, just by above-mentioned wireless communication signal receiving system, interference signal and/or noise signal are balanced out, with in prior art by compared with the scheme of direct filtering interference signals and/or noise signal, have more flexibility and adaptability.
Further, this wireless communication signal receiving system 100 also comprises low noise amplifier module 50, and this low noise amplifier module 50 is connected with this mixer module 40.This low noise amplifier module 50 carries out amplification process for the signal of the default frequency range generated this mixer module 40.
Further, this mixer module 40 comprises a mixer, the first input end of this mixer is connected with this first reception antenna 10, and the second input of this mixer is connected with this inverter 30, and the output of this mixer is connected with this low noise amplifier module 50.
Further, this band stop filter 20 is tunable band-stop filters, by the frequency band signals regulating this attenuation of band-stop filter different.As when the signal of reception first frequency range thought by this wireless communication signal receiving system, then by the signal of this attenuation of band-stop filter first frequency range; When the signal of reception second frequency range thought by this wireless communication signal receiving system, then by the signal of this attenuation of band-stop filter second frequency range, the like, this band stop filter can be regulated according to actual needs with the different frequency band signals of filtering.
As shown in Figure 2, it is the structural representation of the second embodiment of wireless communication signal receiving system of the present invention, this wireless communication signal receiving system 100 comprises: band stop filter 20, the inverter 30 be connected respectively with this band stop filter 20, main control module 80, second reception antenna 11, the second radio-frequency (RF) switch 70 be connected with this inverter 30, the mixer module 40 be connected with the second radio-frequency (RF) switch 70, with main control module 80, mixer module 40, the first radio-frequency (RF) switch 60 that first reception antenna 10 connects respectively, the low noise amplifier module 50 be connected with mixer module 40.This mixer module 40 comprises multiple mixer and (as shown in Figure 2, depicts the first mixer 41, second mixer 42 ... N mixer 4n), this mixer comprises first input end, the second input and an output; This low noise amplifier module 50 comprises multiple low noise amplifier and (as shown in Figure 2, depicts the first low noise amplifier 51, second low noise amplifier 52 ... N low noise amplifier 5n); This mixer and this low noise amplifier one_to_one corresponding (namely mixer quantity is identical with low noise amplifier quantity, and a mixer connects a low noise amplifier).Wherein:
The input of the first radio-frequency (RF) switch 60 is connected with the first reception antenna 10, this first radio-frequency (RF) switch 60 comprises multiple with this mixer output one to one, and each output of this first radio-frequency (RF) switch 60 connects with the first input end of corresponding mixer respectively (the mixer number in the output number of this first radio-frequency (RF) switch 60 and mixer module 40 is identical);
The input of the second radio-frequency (RF) switch 70 is connected with this inverter 30, this second radio-frequency (RF) switch 70 comprises multiple with this mixer output one to one, and each output of this second radio-frequency (RF) switch 70 connects with the second input of corresponding mixer respectively (the mixer number in the output number of this second radio-frequency (RF) switch 70 and mixer module 40 is identical).
First reception antenna 10 for receiving wireless communication signal, this wireless communication signal comprise interference signal and/or and noise signal; Second reception antenna 11 also for receiving wireless communication signal, this wireless communication signal comprise interference signal and/or and noise signal; First reception antenna 10 and the second reception antenna 11 are in a device, and the electromagnetic environment of bearing is the same, and the wireless communication signal that therefore the first reception antenna 10 and the second reception antenna 11 receive is the same;
Main control module 80 controls the connection between the input of this first radio-frequency (RF) switch 60 and each output, control the connection between the input of this second radio-frequency (RF) switch 70 and each output, and control the corresponding signal presetting frequency range that this band stop filter 20 decays in wireless communication signal that this second reception antenna 11 receives.Namely the wireless communication signal that the first reception antenna 10 receives to be sent to the corresponding mixer in mixer module 40 by the first radio-frequency (RF) switch 60 according to the control signal of main control module 80, and the signal that inverter 30 exports to be sent to the corresponding mixer in mixer module 40 by the second radio-frequency (RF) switch 70 according to the control signal of main control module 80.Band stop filter 20 is according to the signal of the control signal decay of this main control module 80 from the corresponding default frequency range the wireless communication signal that this second reception antenna 11 obtains, this default frequency range comprises at least two frequency ranges, as comprised the first frequency range, the second frequency range ... N frequency range.As main control module 80 sends the signal that control signal needs decay first frequency range, then this band stop filter 20 is decayed according to the control signal of this main control module 80 signal of the first frequency range; As main control module 80 sends the signal that control signal needs decay second frequency range, then this band stop filter 20 is decayed according to the control signal of this main control module 80 signal of the second frequency range; Namely this first radio-frequency (RF) switch 60 and the second radio-frequency (RF) switch 70 select different radio frequency paths according to the control signal of main control module 80.
Signal after anti-phase, for carrying out anti-phase to the output signal of this band stop filter 20, is exported to the second radio-frequency (RF) switch 70 by inverter 30;
Each mixer is (as the first mixer 41, second mixer 42 ... N mixer 4n) carry out the wireless communication signal from this first reception antenna 10 and the output signal from this inverter 30 closing road to remove described interference signal and/or noise signal and to generate the signal presetting frequency range, then send corresponding low noise amplifier to (as the first low noise amplifier 51, second low noise amplifier 52 by generating the signal presetting frequency range ... N low noise amplifier 5n);
Further, this band stop filter 20 is tunable band-stop filters, and this band stop filter 20 regulates according to the control signal of main control module 80, with the corresponding signal presetting frequency range of decaying.
Further, described in this, the first radio-frequency (RF) switch 60 and the second radio-frequency (RF) switch 70 are all that radio-frequency (RF) switch thrown by hilted broadsword more.
As shown in Figure 3, Fig. 3 is the schematic flow sheet schematic diagram of the first embodiment of wireless communication signal method of reseptance of the present invention, and use wireless communication signal receiving system 100 as shown in Figure 1, the method comprises:
S11, the first reception antenna 10 receive wireless communication signal, and send the wireless communication signal of reception to mixer module 40; Second reception antenna 11 receives wireless communication signal, and sends the wireless communication signal of reception to this band stop filter 20; This wireless communication signal comprises interference signal and/or noise signal.First reception antenna 10 and the second reception antenna 11 are in a device, and the electromagnetic environment of bearing is the same, and the wireless communication signal that therefore the first reception antenna 10 and the second reception antenna 11 receive is the same.
In this step S11, within a wireless communication network, wireless communication signal, in transport process, by the impact of network environment, has been mixed into interference signal and/or noise signal; Therefore, the first reception antenna 10 of wireless communication signal receiving system 100 and the second reception antenna 11 receive wireless communication signal and comprise the interference signal and/or noise signal that are mixed into.
S12, band stop filter 20 are decayed the signal of default frequency range in wireless communication signal that this second reception antenna 11 receives.
In this step S12, this default frequency range is the frequency range at the signal place that wireless communication signal receiving system wishes to receive, and this default frequency range can be arranged according to actual needs by user.In this step, the signal attenuation of the default frequency range in the wireless communication signal the second reception antenna 11 obtained by band stop filter 20, remaining interference signal and/or noise signal, wish signal attenuation (being decayed by useful signal) only remaining signal and/or the noise signal of the default frequency range received by this wireless communication signal receiving system.By the signal attenuation of useful default frequency range that this step can will be determined easily, and uncertain signal and/or noise signal are retained, relative in prior art: by signal and/or noise signal decay, and retain useful signal, this step is adopted to decay the signal of useful default frequency range, and stick signal and/or noise signal, more there is operability.
S13, inverter 30 carry out anti-phase to the output signal of this band stop filter 20, then send the signal after anti-phase to mixer module 40.
Wireless communication signal from this first reception antenna 10 and the output signal from this inverter 30 carry out closing road to remove described interference signal and/or noise signal and to generate the signal presetting frequency range by S14, mixer module 40.
In this step S14, the anti-phase interference signal export wireless communication signal and the inverter 30 from the first reception antenna 10 and/or noise signal superpose, interference signal in wireless communication signal and/or noise signal are offset, only the remaining signal (useful signal) presetting frequency range.
Further, further comprising the steps of after step s 14:
S15, the low noise amplifier module signal to the default frequency range of this mixer CMOS macro cell carries out amplification process.
As shown in Figure 4, be the schematic flow sheet of the second embodiment of wireless communication signal method of reseptance of the present invention, use wireless communication signal receiving system 100 as shown in Figure 2, the method comprises:
S21, the first reception antenna 10 receive wireless communication signal, and the wireless communication signal of reception is sent to the first radio-frequency (RF) switch 60; Second reception antenna 11 receives wireless communication signal, and the wireless communication signal of reception is sent to band stop filter 20; This wireless communication signal comprises interference signal and/or noise signal.First reception antenna 10 and the second reception antenna 11 are in a device, and the electromagnetic environment of bearing is the same, and the wireless communication signal that therefore the first reception antenna 10 and the second reception antenna 11 receive is the same.
In this step S21, within a wireless communication network, wireless communication signal, in transport process, by the impact of network environment, has been mixed into interference signal and/or noise signal; Therefore, the first reception antenna 10 of wireless communication signal receiving system 100 and the second reception antenna 11 receive wireless communication signal and comprise the interference signal and/or noise signal that are mixed into.
S22, main control module 80 control the connection between the input of the first radio-frequency (RF) switch 60 and each output, the wireless communication signal of reception are passed to corresponding mixer in mixer module 40; Wireless communication signal as received by the first reception antenna 10 sends the first mixer 41, second mixer 42 to ... N mixer 4n.
Switch controlling signal according to this main control module 80 sends the full frequency band signal that this first reception antenna 10 receives to the first corresponding mixer 41, second mixer 42 or the first input end of other mixers.
S23, main control module 80 control band stop filter 20 and decay from the corresponding signal presetting frequency range the wireless communication signal that this second reception antenna 10 obtains; This default frequency range comprises at least two frequency ranges, as comprised the first frequency range, the second frequency range ... N frequency range; As main control module 80 sends the signal that control signal needs decay first frequency range, then band stop filter 20 is decayed according to the control signal of this main control module 80 signal of the first frequency range; As main control module 80 sends the signal that control signal needs decay second frequency range, then this band stop filter 20 is decayed according to the control signal of this main control module 80 signal of the second frequency range.
S24, inverter 30 carry out anti-phase to the output signal of this band stop filter 20, and the signal after anti-phase is exported to the second radio-frequency (RF) switch 70.
S25, main control module 80 control the connection between the input of the second radio-frequency (RF) switch 70 and each output, the output signal of inverter 30 are sent to corresponding mixer in mixer module 40; As the output signal of inverter 30 sent to the first mixer 41, second mixer 42 etc.
S26, mixer module 40 carry out closing road to remove interference signal and/or noise signal and to generate the signal presetting frequency range by by the wireless communication signal of the first radio-frequency (RF) switch 60 with by the output signal of the inverter 30 of the second radio-frequency (RF) switch 70.
S27, low noise amplifier module 50 signal to the default frequency range that this mixer module 40 generates carries out amplification process.The signal that the corresponding mixer connected sends over it is carried out amplification process by each low noise amplifier of this low noise amplifier module 50 li.
Further, this band stop filter is tunable band-stop filter.
Further, this first radio-frequency (RF) switch and the second radio-frequency (RF) switch are all that radio-frequency (RF) switch thrown by hilted broadsword more.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a wireless communication signal receiving system, it is characterized in that, comprise band stop filter, the inverter be connected with described band stop filter, the mixer module be connected with described inverter, the second reception antenna be connected with described band stop filter and the first reception antenna with described mixer model calling; Wherein:
Described first reception antenna, for receiving wireless communication signal, and sends the wireless communication signal of reception to described mixer module;
Described second reception antenna, for receiving wireless communication signal, and sends the wireless communication signal of reception to described band stop filter;
Described band stop filter, for the signal of the default frequency range in the wireless communication signal that described second reception antenna of decaying receives;
Described inverter, for carrying out anti-phase to the output signal of described band stop filter, then sends the signal after anti-phase to mixer module;
Described mixer module, closes road to remove interference signal and/or noise signal and to generate the signal presetting frequency range for the wireless communication signal from described first reception antenna and the output signal from described inverter being carried out.
2. wireless communication signal receiving system according to claim 1, it is characterized in that, also comprise the low noise amplifier module with described mixer model calling, described low noise amplifier module is used for carrying out amplification process to the signal of the default frequency range of described mixer CMOS macro cell.
3. wireless communication signal receiving system according to claim 2, it is characterized in that, described mixer module comprises a mixer, the first input end of described mixer is connected with described first reception antenna, second input of described mixer is connected with described inverter, and the output of described mixer is connected with described low noise amplifier module.
4. wireless communication signal receiving system according to claim 2, it is characterized in that, described wireless communication signal receiving system also comprises the first radio-frequency (RF) switch, the second radio-frequency (RF) switch, main control module, described mixer module comprises multiple mixer, described low noise amplifier module comprises multiple low noise amplifier, described mixer and described low noise amplifier one_to_one corresponding, wherein:
The input of described first radio-frequency (RF) switch is connected with described first reception antenna, described first radio-frequency (RF) switch comprises multiple and described mixer output one to one, and each output of described first radio-frequency (RF) switch is connected with the first input end of corresponding mixer respectively;
The input of described second radio-frequency (RF) switch is connected with described inverter, and described second radio-frequency (RF) switch comprises multiple and described mixer output one to one, and each output of described second radio-frequency (RF) switch is connected with the second input of corresponding mixer respectively;
Described main control module, for controlling the connection between the input of described first radio-frequency (RF) switch and each output, control the connection between the input of described second radio-frequency (RF) switch and each output, and control the corresponding signal presetting frequency range in the wireless communication signal of the second reception antenna reception described in described attenuation of band-stop filter.
5. wireless communication signal receiving system according to claim 4, is characterized in that, described band stop filter is tunable band-stop filter.
6. wireless communication signal receiving system according to claim 5, is characterized in that, described first radio-frequency (RF) switch and the second radio-frequency (RF) switch are all that radio-frequency (RF) switch thrown by hilted broadsword more.
7. a wireless communication signal method of reseptance, use the wireless communication signal receiving system as described in any one of claim 1 ~ 6, it is characterized in that, the method comprises:
First reception antenna receives wireless communication signal, and sends the wireless communication signal of reception to described mixer module; Second reception antenna receives wireless communication signal, and sends the wireless communication signal of reception to described band stop filter;
The signal of the default frequency range in the wireless communication signal that described in attenuation of band-stop filter, the second reception antenna receives;
Inverter carries out anti-phase to the output signal of described band stop filter, then sends the signal after anti-phase to mixer module;
Wireless communication signal from described first reception antenna and the output signal from described inverter carry out closing road to remove interference signal and/or noise signal and to generate the signal presetting frequency range by mixer module.
8. method according to claim 7, it is characterized in that, carry out the wireless communication signal from described first reception antenna and the output signal from described inverter closing road to remove described interference signal and/or noise signal and further comprising the steps of after generating the signal presetting frequency range in described mixer module:
The signal of low noise amplifier module to the default frequency range of described mixer CMOS macro cell carries out amplification process.
9. method according to claim 8, it is characterized in that, described first reception antenna receives wireless communication signal, and the step wireless communication signal of reception being sent to described mixer module comprises: the first reception antenna receives wireless communication signal, and the connection passed through between the input of master control module controls first radio-frequency (RF) switch and each output, the wireless communication signal of reception is sent to the corresponding mixer in mixer module;
The step of the signal of the default frequency range in the wireless communication signal that described in described attenuation of band-stop filter, the second reception antenna receives comprises: described band stop filter is according to the corresponding signal presetting frequency range in the wireless communication signal of the described second reception antenna reception of the control decay of main control module;
Described inverter carries out anti-phase to the output signal of described band stop filter, then the step signal after anti-phase being sent to mixer module comprises: described inverter carries out anti-phase to the output signal of described band stop filter, and by the connection between the input of master control module controls second radio-frequency (RF) switch and each output, the signal after anti-phase is sent to the corresponding mixer in mixer module.
10. method according to claim 9, is characterized in that, described band stop filter is tunable band-stop filter.
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| CN201310316653.6A CN104348497B (en) | 2013-07-25 | 2013-07-25 | A kind of wireless communication signal reception device and method |
| PCT/CN2013/087641 WO2014161322A1 (en) | 2013-07-25 | 2013-11-21 | Apparatus and method for receiving wireless communication signal |
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| CN201310316653.6A CN104348497B (en) | 2013-07-25 | 2013-07-25 | A kind of wireless communication signal reception device and method |
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| CN104348497B CN104348497B (en) | 2018-03-30 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017173741A1 (en) * | 2016-04-07 | 2017-10-12 | 中兴通讯股份有限公司 | Anti-interference method, and circuit and mobile terminal |
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| CN109142907A (en) * | 2018-06-28 | 2019-01-04 | 上海卫星工程研究所 | The whole star radiation-emitting special test method of satellite |
| CN109510637A (en) * | 2018-12-25 | 2019-03-22 | 普联技术有限公司 | A kind of means for anti-jamming orienting AP |
| CN109962323A (en) * | 2017-12-26 | 2019-07-02 | 中国移动通信集团设计院有限公司 | Single excitation micro discharge radio noise signal inhibition method and device |
| CN114499558A (en) * | 2022-02-16 | 2022-05-13 | 成都市联洲国际技术有限公司 | Same frequency interference cancellation device |
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| CN101098549A (en) * | 2006-06-26 | 2008-01-02 | 明基电通股份有限公司 | Signal receiving method and device and wireless multi-mode broadband receiving set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017173741A1 (en) * | 2016-04-07 | 2017-10-12 | 中兴通讯股份有限公司 | Anti-interference method, and circuit and mobile terminal |
| US10673474B2 (en) | 2016-04-07 | 2020-06-02 | Zte Corporation | Anti-interference method and circuit, and mobile terminal |
| CN109962323A (en) * | 2017-12-26 | 2019-07-02 | 中国移动通信集团设计院有限公司 | Single excitation micro discharge radio noise signal inhibition method and device |
| CN108377154A (en) * | 2018-02-05 | 2018-08-07 | 广东欧珀移动通信有限公司 | Harmonic suppression apparatus, harmonic suppressing method and electronic device |
| CN109142907A (en) * | 2018-06-28 | 2019-01-04 | 上海卫星工程研究所 | The whole star radiation-emitting special test method of satellite |
| CN109510637A (en) * | 2018-12-25 | 2019-03-22 | 普联技术有限公司 | A kind of means for anti-jamming orienting AP |
| CN114499558A (en) * | 2022-02-16 | 2022-05-13 | 成都市联洲国际技术有限公司 | Same frequency interference cancellation device |
| CN114499558B (en) * | 2022-02-16 | 2024-01-16 | 成都市联洲国际技术有限公司 | Co-channel interference cancellation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104348497B (en) | 2018-03-30 |
| WO2014161322A1 (en) | 2014-10-09 |
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